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13200310331 = 131759729911
BaseRepresentation
bin11000100101100110…
…01100000000111011
31021001221201020120122
430102303030000323
5204013234412311
610021504243455
7645054533525
oct142263140073
937057636518
1013200310331
11566425a58a
12268491058b
131324a37320
148d31cca15
15523d1d0db
hex312ccc03b

13200310331 has 8 divisors (see below), whose sum is σ = 15051937824. Its totient is φ = 11468142720.

The previous prime is 13200310313. The next prime is 13200310339. The reversal of 13200310331 is 13301300231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13200310331 is a prime.

It is a super-2 number, since 2×132003103312 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13200310339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29864735 + ... + 29865176.

It is an arithmetic number, because the mean of its divisors is an integer number (1881492228).

Almost surely, 213200310331 is an apocalyptic number.

13200310331 is a deficient number, since it is larger than the sum of its proper divisors (1851627493).

13200310331 is a wasteful number, since it uses less digits than its factorization.

13200310331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59729941.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 13200310331 its reverse (13301300231), we get a palindrome (26501610562).

The spelling of 13200310331 in words is "thirteen billion, two hundred million, three hundred ten thousand, three hundred thirty-one".

Divisors: 1 13 17 221 59729911 776488843 1015408487 13200310331